Home / 419,312.03-578,633.22-228,324.96

Finding the Fourth Proportional to 419,312.03, 578,633.22 and 228,324.96

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Solution

The fourth proportional to 419,312.03, 578,633.22 and 228,324.96 is: 315,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,312.03 : 578,633.22 = 228,324.96 : x
  2. Step 2: Convert to fraction form
    419,312.03/578,633.22 = 228,324.96/x
  3. Step 3: Cross multiply
    419,312.03x = 578,633.22 × 228,324.96
  4. Step 4: Simplify right side
    419,312.03x = 132,116,406,811.17
  5. Step 5: Solve for x
    x = 132,116,406,811.17/419,312.03
  6. Step 6: Final answer
    x = 315,078.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.